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  <main id="main" class="col-md-9"><div class="page-header">
      <img src="../logo.svg" class="logo" alt=""><h1>Get maximum of each column of data.frame</h1>
      <small class="dont-index">Source: <a href="https://github.com/USEPA/EJAM/blob/HEAD/R/batch.summarize.helpers.R" class="external-link"><code>R/batch.summarize.helpers.R</code></a></small>
      <div class="d-none name"><code>colMaxs2.Rd</code></div>
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    <div class="ref-description section level2">
    <p>Get maximum of each column of data.frame</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">colMaxs2</span><span class="op">(</span><span class="va">df</span>, na.rm <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></code></pre></div>
    </div>

    <div class="section level2">
    <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>


<dl><dt id="arg-df">df<a class="anchor" aria-label="anchor" href="#arg-df"></a></dt>
<dd><p>data.frame or matrix.
Can include numbers stored as character or as factors.</p></dd>


<dt id="arg-na-rm">na.rm<a class="anchor" aria-label="anchor" href="#arg-na-rm"></a></dt>
<dd><p>default is TRUE. not tested for FALSE</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    <p>named vector of numbers</p>
    </div>
    <div class="section level2">
    <h2 id="see-also">See also<a class="anchor" aria-label="anchor" href="#see-also"></a></h2>
    <div class="dont-index"><p><code><a href="colMins2.html">colMins2()</a></code></p></div>
    </div>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="va">df</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/cbind.html" class="external-link">rbind</a></span><span class="op">(</span><span class="cn">NA</span>, <span class="fu"><a href="https://rdrr.io/r/base/data.frame.html" class="external-link">data.frame</a></span><span class="op">(</span></span>
<span>  n1 <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">0</span>, <span class="fl">0</span><span class="op">:</span><span class="fl">8</span><span class="op">)</span>, n2 <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">0.1</span> <span class="op">+</span> <span class="op">(</span><span class="fl">0</span><span class="op">:</span><span class="fl">9</span><span class="op">)</span><span class="op">)</span>, n3 <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">1</span><span class="op">:</span><span class="fl">10</span><span class="op">)</span>, </span>
<span>  allnas <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/rep.html" class="external-link">rep</a></span><span class="op">(</span><span class="cn">NA</span>, <span class="fl">10</span><span class="op">)</span><span class="op">)</span>,</span>
<span>  logic <span class="op">=</span> <span class="cn">TRUE</span>, </span>
<span>  factortxt <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/factor.html" class="external-link">factor</a></span><span class="op">(</span><span class="st">'factor'</span><span class="op">)</span>, </span>
<span>  txt <span class="op">=</span> <span class="st">'words'</span>,</span>
<span>  numberlike <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/character.html" class="external-link">as.character</a></span><span class="op">(</span><span class="fl">6</span><span class="op">:</span><span class="fl">15</span><span class="op">)</span>,</span>
<span>  numberlikefact <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/factor.html" class="external-link">factor</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/character.html" class="external-link">as.character</a></span><span class="op">(</span><span class="fl">6</span><span class="op">:</span><span class="fl">15</span><span class="op">)</span><span class="op">)</span>,</span>
<span>  stringsAsFactors <span class="op">=</span> <span class="cn">FALSE</span><span class="op">)</span><span class="op">)</span></span>
<span>  </span>
<span><span class="va">df</span></span>
<span><span class="fu">colMaxs2</span><span class="op">(</span><span class="va">df</span><span class="op">)</span></span></code></pre></div>
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